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The Danish National Research Foundation:
Network in Mathematical Physics and Stochastics

Funded by The Danish National Research Foundation

MPS-RR 2004-18
August 2004

New criteria to identify spectrum

by: Arne Jensen, M. Krishna


In this paper we give some new criteria for identifying the components of a probability measure, in its Lebesgue decomposition. This enables us to give new criteria to identify spectral types of self adjoint operators on Hilbert spaces, especially those of interest.

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